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[PATCH 1/5] fix address fault for 32-on-64-bit syscall
From: |
Luca Dariz |
Subject: |
[PATCH 1/5] fix address fault for 32-on-64-bit syscall |
Date: |
Wed, 19 Apr 2023 21:46:59 +0200 |
* x86_64/locore.S: the faulty address is found in %rbp and not in
%rsi, so copy that in CR2
---
x86_64/locore.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/x86_64/locore.S b/x86_64/locore.S
index 47d9085c..ea5c71d6 100644
--- a/x86_64/locore.S
+++ b/x86_64/locore.S
@@ -1213,7 +1213,7 @@ mach_call_call:
mach_call_addr_push:
movq %r11,%rsp /* clean parameters from stack */
mach_call_addr:
- movq %rsi,R_CR2(%rbx) /* set fault address */
+ movq %rbp,R_CR2(%rbx) /* set fault address */
movq $(T_PAGE_FAULT),R_TRAPNO(%rbx)
/* set page-fault trap */
movq $(T_PF_USER),R_ERR(%rbx)
--
2.30.2
- [PATCH 1/5] fix address fault for 32-on-64-bit syscall,
Luca Dariz <=
- [PATCH 3/5] fix exception message format for 64-bit userspace, Luca Dariz, 2023/04/19
- [PATCH 5/5] add setting gs/fsbase, Luca Dariz, 2023/04/19
- Re: [PATCH 5/5] add setting gs/fsbase, Sergey Bugaev, 2023/04/19
- Re: [PATCH 5/5] add setting gs/fsbase, Sergey Bugaev, 2023/04/20
- Re: [PATCH 5/5] add setting gs/fsbase, Samuel Thibault, 2023/04/20
- Re: [PATCH 5/5] add setting gs/fsbase, Sergey Bugaev, 2023/04/20
- Re: [PATCH 5/5] add setting gs/fsbase, Samuel Thibault, 2023/04/20
- Re: [PATCH 5/5] add setting gs/fsbase, Sergey Bugaev, 2023/04/20